Allnice ET-152 Mini Portable Anti-Theft Resettable 3 Digit Bike Bicycle Cycling Spring Combination Cable Lock Senior Travel Luggage Locks Helmet Lock, 4X 1500mm (Black) Zinc alloy lock hook; High corrosion resistance; Strong and durable. The inner metal wire about 2 mm; The outer layer is made of high quality PVC plastic material to prevent scratches. It is convenient to carry in a small size, just only 100 grams. Weight-saving design, easy to carry. Code lock, never worry to lose the key. You can freely set your favorite password number. Initial password number is 000 Easy to operation and be applied for many cases,can lock helmet, saddle, wheels and luggage and more. Color: black Material: Zinc alloy Weight: 100g Size: 30mm x 72mm x 11mm Width: 4mm  Max length: 1500mm Original code: 000